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AveGali [126]
2 years ago
6

Seven less than twice a number is 13

Mathematics
1 answer:
frozen [14]2 years ago
6 0

Answer:

the answer is -5

Step-by-step explanation: hope this helps :)

pls mark brainliest

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Help me out please thank you
neonofarm [45]

Answer:

1. 12

2. 4

3. 24

4. 30

5. 14

7 0
3 years ago
Read 2 more answers
2. Find the value of x and y rounded to the nearest tenth.
SVETLANKA909090 [29]

Using relations in a right triangle, it is found that the values of x and y are given by: x = 24, y = 46.4, given by option a.

<h3>What are the relations in a right triangle?</h3>

The relations in a right triangle are given as follows:

  • The sine of an angle is given by the length of the opposite side to the angle divided by the length of the hypotenuse.
  • The cosine of an angle is given by the length of the adjacent side to the angle divided by the length of the hypotenuse.
  • The tangent of an angle is given by the length of the opposite side to the angle divided by the length of the adjacent side to the angle.

First, we start with the vertical line h that divides y, that is <u>opposite to an angle of 30º, with hypotenuse 34</u>, hence:

sin(30º) = h/34

0.5 = h/34

h = 17.

Then, h is opposite to an angle of 45º, while the hypotenuse is x, hence:

\sin{45^\circ} = \frac{17}{x}

x = \frac{17}{\sin{45^\circ}}

x = 24.

y is divided into two segments.

  • The first is the adjacent to the angle of 30º, while the hypotenuse is 34.
  • The second is adjacent to the angle of 45º, while the hypotenuse is 24.

Then:

\cos{30^\circ} = \frac{y_1}{34}

y_1 = 34\cos{30^\circ} = 29.4

\cos{45^\circ} = \frac{y_2}{24}

y_2 = 24\cos{45^\circ} = 17

Then, the value of y is given by:

y = y_1 + y_2 = 29.4 + 17 = 46.4.

More can be learned about relations in a right triangle at brainly.com/question/26396675

#SPJ1

4 0
2 years ago
Aaron buys 3 ties for $19.95 each, a belt for $23.50, and a pair of boots for $124.95. The sales tax in his city is 5%, To the n
Rina8888 [55]
(3x19.95+23.5+124.95)1.05=
59.85+23.5+124.95 =208.3
208.3×1.05=218.715
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3 years ago
Tan θ sin θ + sin θ = 0 . Solve the given equation.
VashaNatasha [74]
Here's a PDF file with the solution... Powered by Wolfram Mathematica
Download pdf
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3 years ago
In the story of factory <br> fire marshall william beer stunned new yorker by declaring
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